visual sleep start
   A term used to denote a photopsia (i.e. a flash of light) which may occasionally accompany the * auditory sleep start. Phenomenologi-cally, the visual sleep start shows certain similarities to the * sound phosphene. For a further explanation, see the entry Exploding head syndrome.
   References
   Pearce, J.M. (1988). Exploding head syndrome. Lancet, 2, 270-271.

Dictionary of Hallucinations. . 2010.

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